WAEC Agricultural Science Past Questions & Answers - Page 308

1,536.

Which of the following groups of farm equipment use electricity as their source of power?

A.

Milking machine, incubator and refrigerator

B.

Incubator, sprayer, refrigerator and water pump

C.

Planter, milking machine and sprayer

D.

Sprayer, incubator and harvester

E.

Harvester, milking machine, planter and incubator

Correct answer is A

No explanation has been provided for this answer.

1,537.

The major advantage of drainage in agriculture is

A.

Promoting growth of micro-organisms

B.

Supplying adequate nutrients to the soil

C.

Removing excess water from the soil

D.

Aiding decomposition of materials in the soil

E.

Making aeration of the soil very difficult

Correct answer is C

No explanation has been provided for this answer.

1,538.

The system of irrigation whereby water is introduced as a sheet over farmland is referred to as

A.

Shadow

B.

Channel

C.

Flooding

D.

Underground

E.

Drip

Correct answer is E

No explanation has been provided for this answer.

1,539.

Fruit formation in plants may be delayed by excessive availability of

A.

Nitrogen

B.

Phosphorus

C.

Carbon

D.

Sulphur

E.

Molybdenum

Correct answer is B

No explanation has been provided for this answer.

1,540.

If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer.

A.

20kg

B.

40kg

C.

50kg

D.

100kg

E.

250kg

Correct answer is D

No explanation has been provided for this answer.